40 C.F.R. § 122 app I to Part 122
Current through March 31, 2024
| State | County | Unincorporated urbanized population |
| Alabama | Jefferson | 78,608 |
| Arizona | Pima | 162,202 |
| California | Alameda | 115,082 |
| Contra Costa | 131,082 | |
| Kern | 128,503 | |
| Orange | 223,081 | |
| Riverside | 166,509 | |
| San Bernardino | 162,202 | |
| Colorado | Arapahoe | 103,248 |
| Florida | Broward | 142,329 |
| Escambia | 167,463 | |
| Hillsborough | 398,593 | |
| Lee | 102,337 | |
| Manatee | 123,828 | |
| Orange | 378,611 | |
| Palm Beach | 360,553 | |
| Pasco | 148,907 | |
| Pinellas | 255,772 | |
| Polk | 121,528 | |
| Sarasota | 172,600 | |
| Seminole | 127,873 | |
| Georgia | Clayton | 133,237 |
| Cobb | 322,595 | |
| Fulton | 127,776 | |
| Gwinnett | 237,305 | |
| Richmond | 126,476 | |
| Kentucky | Jefferson | 239,430 |
| Louisiana | East Baton Rouge | 102,539 |
| Parish | 331,307 | |
| Jefferson Parish | ||
| Maryland | Howard | 157,972 |
| North Carolina | Cumberland | 146,827 |
| Nevada | Clark | 327,618 |
| Oregon | Multnomah1 | 52,923 |
| Washington | 116,687 | |
| South Carolina | Greenville | 147,464 |
| Richland | 130,589 | |
| Virginia | Arlington | 170,936 |
| Chesterfield | 174,488 | |
| Henrico | 201,367 | |
| Prince William | 157,131 | |
| Washington | Pierce | 258,530 |
| Snohomish | 157,218 |
1 County was previously listed in this appendix; however, population dropped to below 100,000 in the 1990 Census.
40 C.F.R. 122 app I to Part 122